Add margin to math blocks

Closes #26472

See merge request !8543

Replace many :project with :empty_projects in API specs

See merge request !8608

Ensure group acts as a namespace for polymorphic routes

Closes #26810

See merge request !8627

Fix todos spec

See merge request !8643

Autoresize markdown preview

Closes #24372

See merge request !8607

Gitaly feature flag

See merge request !8440

Fix small button alignment issues

See merge request !8631

Add jasmine helpers and run their specs

Closes #26305

See merge request !8437

Upgrade Brakeman to 3.4.1

Closes #26820

See merge request !8629

Simple eslint fixes

See merge request !8536

Mark MR as WIP when pushing WIP commits

Closes #25036

See merge request !8124

This was changed in a community MR, but the branch was far enough behind
master that it didn't have this spec.

Revert "Merge branch 'switch-to-sassc' into 'master'"

Closes #26762

See merge request !8642

This reverts commit e7fdb1aa, reversing
changes made to 78d71038.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/26762

Document presenters

Closes #23563

See merge request !8480

Add documentation for possible causes of JS-related test failures.

See merge request !8214

Fixed some HAML errors on milestone#show

Closes #26799 and #26772

See merge request !8560

Fixed highlightFirst and added specs

Closes #26803

See merge request !8622

Add hover state to MR comment reply button

See merge request !8541

Update project visibility level ui to use dropdowns

Closes #24296, #24123, and #24032

See merge request !7645

Document the `auto_link_ldap_user` setting

See merge request !8568

Add sorting pipelines for a commit

Closes #26117

See merge request !8319

Link external commit status badges to target URLs

Closes #25662

See merge request !8611

Fix Slash command templates

Closes #26042

See merge request !8320

Notify the user who set auto-merge when merge is not possible

Closes #23524

See merge request !8056

Speed up dashboard milestone index by scoping IssuesFinder to user authorized projects

See merge request !8524

Add Slack slash commands to project services list index

See merge request !8636

[ci skip]

Shows current user on top of filtered dropdown list

Closes #26765

See merge request !8612